aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Target/ARM/ARMInstrInfo.td
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
-rw-r--r--lib/Target/ARM/ARMInstrInfo.td8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 201f65c..36d2e4a 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -370,6 +370,8 @@ class AI3<dag ops, string asm, list<dag> pattern>
: I<ops, AddrMode3, Size4Bytes, IndexModeNone, asm, "", pattern>;
class AI4<dag ops, string asm, list<dag> pattern>
: I<ops, AddrMode4, Size4Bytes, IndexModeNone, asm, "", pattern>;
+class AIx2<dag ops, string asm, list<dag> pattern>
+ : I<ops, AddrModeNone, Size8Bytes, IndexModeNone, asm, "", pattern>;
class AI1x2<dag ops, string asm, list<dag> pattern>
: I<ops, AddrMode1, Size8Bytes, IndexModeNone, asm, "", pattern>;
@@ -546,9 +548,9 @@ let isCall = 1, noResults = 1,
[(ARMcall GPR:$dst)]>, Requires<[IsARM, HasV5T]>;
let Uses = [LR] in {
// ARMv4T
- def BX : AI<(ops GPR:$dst, variable_ops),
- "bx $dst",
- [(ARMcall_nolink GPR:$dst)]>;
+ def BX : AIx2<(ops GPR:$dst, variable_ops),
+ "mov lr, pc\n\tbx $dst",
+ [(ARMcall_nolink GPR:$dst)]>;
}
}